16. Attending Doctor Patient Counts

Medium Uber Aggregation & Grouping
Query Rules
  • The query columns and order must match the expected result schema.
  • NULL values should be handled appropriately where applicable.
  • The grader compares output values and sorting order to evaluate.

Schema Browser

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patients
10 cols
doctors
4 cols
admissions
7 cols
province_names
2 cols

Reference Solution

Expected SQL
SELECT attending_doctor_id, COUNT(*) as admission_count FROM admissions GROUP BY attending_doctor_id;
SQL Editor
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Console Output

Console Terminal

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